Merge branch 'ce-5980-add-ce-upgrade-ee-test' into 'master'

CE: Add jobs to verify that migrating from CE to EE works

See merge request gitlab-org/gitlab-ce!18909

.gitlab-ci.yml

@@ -189,7 +189,7 @@ stages:
   <<: *dedicated-no-docs-and-no-qa-pull-cache-job
   <<: *use-pg
   variables:
-    CREATE_DB_USER: "true"
+    SETUP_DB: "false"
   script:
     # Manually clone gitlab-test and only seed this project in
     # db/fixtures/development/04_project.rb thanks to SIZE=1 below
@@ -233,7 +233,7 @@ stages:
 .migration-paths: &migration-paths
   <<: *dedicated-no-docs-and-no-qa-pull-cache-job
   variables:
-    CREATE_DB_USER: "true"
+    SETUP_DB: "false"
   script:
     - git fetch https://gitlab.com/gitlab-org/gitlab-ce.git v9.3.0
     - git checkout -f FETCH_HEAD
@@ -242,7 +242,7 @@ stages:
     - cp config/gitlab.yml.example config/gitlab.yml
     - bundle exec rake db:drop db:create db:schema:load db:seed_fu
     - date
-    - git checkout $CI_COMMIT_SHA
+    - git checkout -f $CI_COMMIT_SHA
     - bundle install $BUNDLE_INSTALL_FLAGS
     - date
     - . scripts/prepare_build.sh

scripts/create_mysql_user.sh

 #!/bin/bash
 
 mysql --user=root --host=mysql <<EOF
-CREATE DATABASE IF NOT EXISTS gitlabhq_test DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
 CREATE USER IF NOT EXISTS 'gitlab'@'%';
 GRANT ALL PRIVILEGES ON gitlabhq_test.* TO 'gitlab'@'%';
 FLUSH PRIVILEGES;

scripts/create_postgres_user.sh

 #!/bin/bash
 
 psql -h postgres -U postgres postgres <<EOF
-DROP DATABASE IF EXISTS gitlabhq_test;
-CREATE DATABASE gitlabhq_test;
 CREATE USER gitlab;
-GRANT ALL PRIVILEGES ON DATABASE gitlabhq_test TO gitlab;
+GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO gitlab;
 EOF

scripts/prepare_build.sh

@@ -49,20 +49,8 @@ sed -i 's/localhost/redis/g' config/redis.queues.yml
 cp config/redis.shared_state.yml.example config/redis.shared_state.yml
 sed -i 's/localhost/redis/g' config/redis.shared_state.yml
 
-# Some tasks (e.g. db:seed_fu) need to have a properly-configured database
-# user but not necessarily a full schema loaded
-if [ "$CREATE_DB_USER" != "false" ]; then
-    if [ "$GITLAB_DATABASE" = 'postgresql' ]; then
-        . scripts/create_postgres_user.sh
-    else
-        . scripts/create_mysql_user.sh
-    fi
-fi
-
 if [ "$SETUP_DB" != "false" ]; then
-    bundle exec rake db:drop db:create db:schema:load db:migrate
-
-    if [ "$GITLAB_DATABASE" = "mysql" ]; then
-        bundle exec rake add_limits_mysql
-    fi
+    setup_db
+elif getent hosts postgres || getent hosts mysql; then
+    setup_db_user_only
 fi

scripts/utils.sh

@@ -12,3 +12,21 @@ retry() {
     done
     return 1
 }
+
+setup_db_user_only() {
+    if [ "$GITLAB_DATABASE" = "postgresql" ]; then
+        . scripts/create_postgres_user.sh
+    else
+        . scripts/create_mysql_user.sh
+    fi
+}
+
+setup_db() {
+    setup_db_user_only
+
+    bundle exec rake db:drop db:create db:schema:load db:migrate
+
+    if [ "$GITLAB_DATABASE" = "mysql" ]; then
+        bundle exec rake add_limits_mysql
+    fi
+}